XSETCONS         1042 src/alloc.c          XSETCONS (tem, (char *) val + nbytes - 1);
XSETCONS         1270 src/alloc.c    	  XSETCONS (tem, end);
XSETCONS         2886 src/alloc.c          XSETCONS (val, cons_free_list);
XSETCONS         2902 src/alloc.c          XSETCONS (val, &cons_block->conses[cons_block_index]);
XSETCONS         5782 src/alloc.c      XSETCONS (new, p);